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经营范围
发明名称
摘要
申请公布号
JPS61193414(U)
申请公布日期
1986.12.02
申请号
JP19850077930U
申请日期
1985.05.25
申请人
发明人
分类号
G02B6/42;(IPC1-7):G02B6/42
主分类号
G02B6/42
代理机构
代理人
主权项
地址
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